Fit & sizing /

Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorized Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.

Display measurements in

Geometry


  45cm 50cm
Actual Frame Size 50cm 55cm
ASeat tube 45.0cm 50.0cm
BSeat tube angle 73.0 ° 73.0 °
CHead tube length 16.0cm 18.0cm
DHead angle 70.5 ° 70.5 °
EEffective top tube 56.4cm 59.6cm
FBottom bracket height 28.9cm 28.9cm
HChainstay length 46.5cm 46.5cm
IOffset 4.5cm 4.5cm
JTrail 8.1cm 8.1cm
KWheelbase 109.3cm 110.8cm
LStandover 57.4cm 54.9cm
  45cm 50cm
Actual Frame Size 50cm 55cm
ASeat tube 17.72" 19.69"
BSeat tube angle 73.0 ° 73.0 °
CHead tube length 6.30" 7.09"
DHead angle 70.5 ° 70.5 °
EEffective top tube 22.20" 23.46"
FBottom bracket height 11.38" 11.38"
HChainstay length 18.31" 18.31"
IOffset 1.77" 1.77"
JTrail 3.19" 3.19"
KWheelbase 43.03" 43.62"
LStandover 22.60" 21.61"